KY,Dave (AKA Misunderstood)
Member
Posts: 4146
Specimen #30838 DS #0233
Williamsburg, KY
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« on: June 24, 2015, 11:56:40 AM » |
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Left out and hit the Pilot station in Williamsburg, KY. Added a can of Berrymans to the tank and filled it with gas. Got on 25W and was keeping it below 2k rpms to work into the slow jets like everyone recommends. I gotta tell ya I had a hard time but was persistent all the way to Jellico. Continiueing on 25W towards LaFollette I was determined to keep the rpms down below 2k rpms. After 25 miles I could no longer take 5th gear going 35-40 on such a great road. how do you all do it.  Worked my way to Clinton and checked in on Gordon (Lucky13) to see how his standard project is coming alon. It's a labor of love to get it to Gordon's high standards but is looking good. He took me around a few shaded back roads to the dam on 441 between Clinton and Lake City now called Rocky Top. Escorted me to Rocky Top where I meandered home an he went to his duties for the rest of the day. Thanks for catching a little wind in heat with me Gordon.  |
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Daniel Meyer
Member
Posts: 5493
Author. Adventurer. Electrician.
The State of confusion.
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« Reply #1 on: June 24, 2015, 12:21:19 PM » |
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S'okay...ya gotta clean those mains too!  |
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CUAgain, Daniel Meyer  |
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Willow
Administrator
Member
Posts: 16770
Excessive comfort breeds weakness. PttP
Olathe, KS
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« Reply #2 on: June 24, 2015, 12:56:31 PM » |
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Okay, so here's a question from a not so blessed mechanical mind.
When I'm running at or above 3500 RPM I'm pretty sure the high speed gates have been opened. Are the low speeds opened or closed? Does fuel at the higher RPMs flow through only the highs or through both?
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Serk
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« Reply #3 on: June 24, 2015, 01:01:48 PM » |
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I apologize but beyond the basics I'm not a gearhead... What?
Reading for context, assuming the Valk has 2 sets of fuel delivery mechanisms, one for 2k RPM and under and one for above?
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Never ask a geek 'Why?',just nod your head and slowly back away...  IBA# 22107 VRCC# 7976 VRCCDS# 226 1998 Valkyrie Standard 2008 Gold Wing Taxation is theft. μολὼν λαβέ |
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R J
Member
Posts: 13380
DS-0009 ...... # 173
Des Moines, IA
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« Reply #4 on: June 24, 2015, 01:08:31 PM » |
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2500 & below, slow jets.
2503 & above, high jets.
2500-2502 both.
My son is a carb expert, that be a jerk under pressure, and the above explanation is right out of his/my old professors mouth. He heard it in high school, same teacher as I had back in the late 40's.
He got out of high school and specialized in carbs. Several garages in town send their customers cars to him for carb work.
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44 Harley ServiCar   |
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Pete
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« Reply #5 on: June 24, 2015, 03:40:10 PM » |
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The slow speed jets of Valkyrie have no method for closing.
Although the opening of the high speed jets (may) cause a reduction in vacuum pressure on the slow speed jets, reducing the flow somewhat.
Slow speed jets at slow speed. Usually up to about 1/3 twist grip travel.
Slow and high speed jets at higher RPM.
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Hooter
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« Reply #6 on: June 24, 2015, 03:44:52 PM » |
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What RJ said is what I understand as well. I get what you are talking about. After setting all winter and only being started on occasion I do what you did as well. Its tough after 4 or 5 months of no riding but I do it anyway on a two laner "not so busy" back road. Never had a carb issue.
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You are never lost if you don't care where you are!
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Rams
Member
Posts: 16684
So many colors to choose from yet so few stand out
Covington, TN
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« Reply #7 on: June 24, 2015, 03:45:42 PM » |
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The slow speed jets of Valkyrie have no method for closing.
Although the opening of the high speed jets (may) cause a reduction in vacuum pressure on the slow speed jets, reducing the flow somewhat.
Slow speed jets at slow speed. Usually up to about 1/3 twist grip travel.
Slow and high speed jets at higher RPM.
Well there ya go. Learn something today. |
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VRCC# 29981
Learning the majority of life's lessons the hard way.
Every trip is an adventure, enjoy it while it lasts.
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98valk
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« Reply #8 on: June 24, 2015, 04:05:07 PM » |
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this explains all questions in detail http://www.factorypro.com/tech/tech_tuning_procedures/tuning_carbtune,CV,lower_rpm_engines.htmlcruising speed going down hwy the pilot jet should be the main source of fuel, if not dialed in right one will start going into the needle circuit and mpg goes down big time. I've been tuning carbs since '98, I usually can answer most questions not answered by the link. CV carbs are really relatively simple to understand once the basics are known. |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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KY,Dave (AKA Misunderstood)
Member
Posts: 4146
Specimen #30838 DS #0233
Williamsburg, KY
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« Reply #9 on: June 24, 2015, 05:37:55 PM » |
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So is this what they call a highjacked thread  PS-Just kidding folks |
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